Raman Spectroscopy of SiO2-Na2O-Al2O3-B2O3 glass doped with Nd3+ and CdS nanocrystals

被引：28

作者：

Serqueira, E. O. ^{[1
]}

Dantas, N. O. ^{[1
]}

Anjos, V. ^{[2
]}

Bell, M. J. V. ^{[2
]}

机构：

[1] Univ Fed Uberlandia, LNMIS, Inst Fis, BR-38400902 Uberlandia, MG, Brazil

[2] ICE UFJF, Grp Espectroscopia Mat, Dept Fis, BR-36036330 Juiz De Fora, MG, Brazil

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 2014年 / 582卷

关键词：

Raman; Glasses; Semiconductor quantum dots; Rare earth ions; SILICATE-GLASSES; SCATTERING; SPECTRA; SIGNATURES; IONS;

D O I：

10.1016/j.jallcom.2013.08.108

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

We report the Raman spectroscopic characterization of a SNAB glass system doped with neodymium and CdS nanocrystals and fabricated by the fusion process. Raman spectra revealed CdS nanocrystals in the glass host and bands associated with Si-O vibrational modes with five structural configurations, boroxol modes of B2O3, Al-O and Cd-S vibrational modes. Additionally, Nd2O3 modifies the growth of CdS nanocrystals in the SNAB glass and Nd3+ ions are not incorporated inside the semiconductor nanocrystals. (c) 2013 Elsevier B.V. All rights reserved.

引用

页码：730 / 733

页数：4

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